- All sections
- H - Electricity
- H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; deaf-aid sets; public address systems
- H04R 7/16 - Mounting or tensioning of diaphragms or cones
Patent holdings for IPC class H04R 7/16
Total number of patents in this class: 343
10-year publication summary
|
32
|
33
|
33
|
40
|
30
|
60
|
42
|
42
|
21
|
13
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AAC Acoustic Technologies (Shenzhen) Co., Ltd. | 1827 |
30 |
| AAC Technologies Pte. Ltd. | 1436 |
27 |
| Goertek Inc. | 2477 |
22 |
| Bose Corporation | 2880 |
20 |
| AAC Microtech (Changzhou) Co., Ltd. | 458 |
18 |
| Samsung Electronics Co., Ltd. | 131630 |
12 |
| Apple Inc. | 50209 |
12 |
| Knowles Electronics, LLC | 597 |
9 |
| Resonado Inc. | 27 |
7 |
| Infineon Technologies AG | 8189 |
5 |
| Hyundai Motor Company | 19021 |
4 |
| Google LLC | 38759 |
4 |
| Sonos, Inc. | 2274 |
4 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
3 |
| Yamaha Corporation | 4054 |
3 |
| Boe Technology Group Co., Ltd. | 35384 |
3 |
| Alpine Electronics, Inc. | 543 |
3 |
| Bujeon Co., Ltd. | 24 |
3 |
| Fortemedia, Inc. | 140 |
3 |
| Harman International Industries, Incorporated | 2443 |
3 |
| Other owners | 148 |